Home/Discover/Tanoshii SansuuTanoshii SansuuたのしいさんすうTanoshii Sansuu1988 · music · 1 episodes▶ Watch episode 1+ My list OverviewEpisodesThe storymusicMusic video for a song about arithmetic by Seiji Tanaka, and NHK Tokyo Children's Choir. Aired as part of NHK's Minna no Uta program.MusicKidsEpisodesChoose your next chapterEpisode titles follow your spoiler shield.Edit watched progress1Episode 12 min▶